Application that crashed: kontact
Version of the application: 4.3.0
KDE Version: 4.3.00 (KDE 4.3.0)
Qt Version: 4.5.2
Operating System: Linux 2.6.30-1-amd64 x86_64
Distribution: Debian GNU/Linux 5.0 (lenny)

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f8c37f9c710 (LWP 18046))]

Thread 2 (Thread 0x7f8c1bb03950 (LWP 18368)):
#0  0x00007f8c356bbf02 in select () from /lib/libc.so.6
#1  0x00007f8c36993526 in QProcessManager::run (this=0x721220) at io/qprocess_unix.cpp:296
#2  0x00007f8c368ce3f5 in QThreadPrivate::start (arg=0x721220) at thread/qthread_unix.cpp:188
#3  0x00007f8c2fc0bf9a in start_thread (arg=<value optimized out>) at pthread_create.c:300
#4  0x00007f8c356c256d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f8c37f9c710 (LWP 18046)):
[KCrash Handler]
#5  0x0000000000000000 in ?? ()
#6  0x00007f8c342da426 in qDeleteAll<QList<KIO::Slave*>::const_iterator> (begin=<value optimized out>, end=...) at /usr/include/qt4/QtCore/qalgorithms.h:350
#7  qDeleteAll<SlaveList> (begin=<value optimized out>, end=...) at /usr/include/qt4/QtCore/qalgorithms.h:358
#8  ~ProtocolInfo (begin=<value optimized out>, end=...) at ../../kio/kio/scheduler.cpp:171
#9  qDeleteAll<QHash<QString, KIO::SchedulerPrivate::ProtocolInfo*>::const_iterator> (begin=<value optimized out>, end=...) at /usr/include/qt4/QtCore/qalgorithms.h:350
#10 0x00007f8c342d6233 in qDeleteAll<KIO::SchedulerPrivate::ProtocolInfoDict> () at /usr/include/qt4/QtCore/qalgorithms.h:358
#11 ~SchedulerPrivate () at ../../kio/kio/scheduler.cpp:103
#12 destroy () at ../../kio/kio/scheduler.cpp:209
#13 0x00007f8c3562c43d in *__GI_exit (status=0) at exit.c:75
#14 0x00007f8c356145cd in __libc_start_main (main=0x403580 <_start+1632>, argc=1, ubp_av=0x7fff1c29eba8, init=0x404ad0 <__libc_csu_init>, fini=<value optimized out>, rtld_fini=<value optimized out>, 
    stack_end=0x7fff1c29eb98) at libc-start.c:254
#15 0x0000000000402f49 in _start ()

This bug may be a duplicate of or related to bug 204898

Reported using DrKonqi